Hunzinger Construction is displaying the kind of corporate leadership that Wisconsin desperately needs.

But Hunzinger focused on adding a slew of environmentally friendly features, from chairs and carpets made with recycled materials to low-flush toilets and waterless urinals, sensor-operated lighting, skylights and a new, high-efficient HVAC system.By one measure, going green added 13% to the project cost, which totaled $336,000.